DuRAH Series Hot Work Tool Steel
(In stock)
| Product Name | DuRAH Series Hot Work Tool Steel |
| Model Number | DuRAH 61, DuRAH MAX, DuRAH PRO, DuRAH FX |
| Brand | SeAH Changwon Integrated Special Steel (SeAH CSS) |
| Category | Hot Work / Hot Work Tool & Die Steel |
| Country Origin | South Korea |
| Material | High-alloy hot work tool steel, with grades optimized for high temperature strength, toughness, heat-checking resistance; certain variants (MAX, PRO) with enhanced cleanliness and severe-service properties, produced under advanced processes (some ESR etc.) |
| Applications | Moulds for hot forging dies / Extrusion dies (Al, Cu) /Die casting moulds exposed to high temperatures & cyclic thermal load /Hot stamping & industrial knives where hot-work tool steel required. |
The DuRAH Series by SeAH CSS is engineered for demanding hot-work applications. Variants like DuRAH 61, MAX, PRO, and FX offer different balances of hardness, toughness, and resistance to heat checking. The series incorporates improved cleanliness (low inclusion content), optimized alloy compositions, and advanced manufacturing technologies to ensure long tool life under high temperatures and cyclic loads. Used in forging dies, extrusion dies, die-casting moulds, and hot stamping, these steels maintain strength, resist thermal fatigue, and help minimize cracking and deformation under severe working conditions. Key benefits include better hot hardness, less heat checking, improved resistance to thermal erosion, and reliable performance in large moulds or complex shapes.
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